Method and arrangement in tail threading of a web forming...

Details Method and arrangement in tail threading of a web forming... Method and arrangement in tail threading of a web forming...

2011-04-26

2011-04-26

Rao, Andy S (Department: 2482)

Television

Special applications

Manufacturing

C348S086000, C348S092000, C348S094000

Reexamination Certificate

active

07932922

ABSTRACT:
In a web-forming machine, a threading tail is formed from the web. The threading tail is transferred to the production section (10, 12-14) of the web-forming machine including a draw section (21). Monitoring takes place of both the formation of the threading tail and its transfer to the draw point (21). The holding point (24) and its environment that terminates the tail threading of the production section (10, 12-14) in question are additionally monitored, in order to detect the threading tail at the holding point (24) and thus to determine the success of the tail threading.

REFERENCES:
patent: 4154004 (1979-05-01), Trötscher
patent: 5130559 (1992-07-01), Leifeld et al.
patent: 1 031 658 (2000-08-01), None
patent: 1 335 067 (2003-08-01), None
patent: 20035221 (2003-11-01), None
patent: 03/080928 (2003-10-01), None
patent: 2005/052251 (2005-06-01), None
International Preliminary Report on Patentability issued in PCT/FI2004/050168.
International Search Report issued in PCT/FI2004/050168.
Search Report issued in priority application FI 20035221.

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